fix(wallet): creating account with string key file

- fix UI for multiline

android/java/org/chromium/chrome/browser/crypto_wallet/activities/AddAccountActivity.java

@@ -142,7 +142,8 @@ public class AddAccountActivity extends AsyncInitializationActivity
                                     });
                         } else {
                             mKeyringService.importAccount(mAddAccountText.getText().toString(),
-                                    mPrivateKeyControl.getText().toString(), (result, address) -> {
+                                    mPrivateKeyControl.getText().toString().trim(),
+                                    (result, address) -> {
                                         if (result) {
                                             setResult(Activity.RESULT_OK);
                                             Utils.clearClipboard(

android/java/res/layout/activity_add_account.xml

@@ -78,7 +78,7 @@
                 android:layout_height="200dp"
                 android:gravity="top"
                 android:hint="@string/import_account_text"
-                android:inputType="text"
+                android:inputType="textMultiLine"
                 android:importantForAutofill="no"
                 android:paddingEnd="18dp"
                 android:paddingStart="18dp"